1855947

Information

• Patent Grant
• 1855947

• References
• Source

• Patent Number

  1,855,947

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1932
  92 years ago

• CPC

  • E05B37/00 - Permutation or combination locks Puzzle locks
  • Y10T70/7435 - Hidden or covered dial
  • Y10T70/8297 - For combination-operated mechanism
  • Y10T70/8378 - Knobs, hand grips, etc.

• US Classifications

  • 070 - Locks